51343750 has 56 divisors (see below), whose sum is σ = 101248704. Its totient is φ = 19500000.

The previous prime is 51343741. The next prime is 51343771. The reversal of 51343750 is 5734315.

51343750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 968724 + ... + 968776.

Almost surely, 2^51343750 is an apocalyptic number.

51343750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51343750 is a deficient number, since it is larger than the sum of its proper divisors (49904954).

51343750 is an frugal number, since it uses more digits than its factorization.

51343750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 51343750 is about 7165.4553239833. The cubic root of 51343750 is about 371.6742967548.

The spelling of 51343750 in words is "fifty-one million, three hundred forty-three thousand, seven hundred fifty".